Home / 23,923.45-33,013.79-13,312.85

Finding the Fourth Proportional to 23,923.45, 33,013.79 and 13,312.85

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Solution

The fourth proportional to 23,923.45, 33,013.79 and 13,312.85 is: 18,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,923.45 : 33,013.79 = 13,312.85 : x
  2. Step 2: Convert to fraction form
    23,923.45/33,013.79 = 13,312.85/x
  3. Step 3: Cross multiply
    23,923.45x = 33,013.79 × 13,312.85
  4. Step 4: Simplify right side
    23,923.45x = 439,507,634.20
  5. Step 5: Solve for x
    x = 439,507,634.20/23,923.45
  6. Step 6: Final answer
    x = 18,371.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.